Hypertrophic Cardiomyopathy Lewiston ME

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Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy is a group of heart disorders in which the walls of the ventricles thicken. Usually, any thickening of the muscular walls of the heart is from the muscle's reaction to an increased workload.

Risk Factors

Hypertrophic cardiomyopathy is often found in:

People with a birth defect

In adults with acromegaly (from excessive growth hormone in the blood.)

People who have pheochromocytoma (a tumor that produces adrenaline.)

People with neurofibromatosis, a hereditary condition.

Here is the chain of effects that leads to hypertrophic cardiomyopathy:

The heart becomes thicker and stiffer than normal.

As a result, the heart become more resistant to filling with blood from the lungs.

This leads to back pressure in the lung veins.

This, in turn, can cause fluid to accumulate in the lungs.

The person, as a result, becomes chronically short of breath.

As the ventricle walls thicken, they may block the flow of blood, preventing the heart from filling properly.

Symptoms

Symptoms of hypertrophic cardiomyopathy include:

Faintness

Chest pain

Palpitations produced by irregular heartbeats

Heart failure with shortness of breath

Sudden death may result from irregular heartbeats

Diagnosis

Hypertrophic cardiomyopathy is usually diagnosed from physical examination. It has a characteristic sound that can be identified by an experienced physician through a stethoscope.

The diagnosis is confirmed by further testing, if necessary, from:

An echocardiogram

Electrocardiogram (ECG)

Chest x-ray

Cardiac catheterization may be necessary if surgery is being considered.

Prognosis

About 4 percent of people with hypertrophic cardiomyopathy die each year. Death is usually sudden. Death from chronic heart failure is less common.